CVE-2021-28147

Description

The team sync HTTP API in Grafana Enterprise 6.x before 6.7.6, 7.x before 7.3.10, and 7.4.x before 7.4.5 has an Incorrect Access Control issue. On Grafana instances using an external authentication service and having the EditorsCanAdmin feature enabled, this vulnerability allows any authenticated user to add external groups to any existing team. This can be used to grant a user team permissions that the user isn't supposed to have.

6.5

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.51%

Vendor Advisory grafana.com Vendor Advisory grafana.com Vendor Advisory grafana.com Vendor Advisory grafana.com Vendor Advisory grafana.com Vendor Advisory grafana.com

Affected: n/a n/a

References

Link	Tags
https://community.grafana.com/t/release-notes-v6-7-x/27119	release notes vendor advisory
https://grafana.com/products/enterprise/	product vendor advisory
https://www.openwall.com/lists/oss-security/2021/03/19/5	third party advisory mailing list
https://grafana.com/blog/2021/03/18/grafana-6.7.6-7.3.10-and-7.4.5-released-with-important-security-fixes-for-grafana-enterprise/	release notes vendor advisory
https://community.grafana.com/t/grafana-enterprise-6-7-6-7-3-10-and-7-4-5-security-update/44724	vendor advisory
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-3-10/	release notes vendor advisory
https://grafana.com/docs/grafana/latest/release-notes/release-notes-7-4-5/	release notes vendor advisory
https://security.netapp.com/advisory/ntap-20210430-0005/	third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-28147?: CVE-2021-28147 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28147?: To fix CVE-2021-28147, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-28147 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2021-28147 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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